$OpenBSD: patch-net_dns_dns_util_cc,v 1.3 2016/07/31 13:11:44 robert Exp $
--- net/dns/dns_util.cc.orig.port	Wed Jul 20 21:03:27 2016
+++ net/dns/dns_util.cc	Thu Jul 21 10:25:30 2016
@@ -15,6 +15,8 @@
 #include "build/build_config.h"
 #include "net/base/address_list.h"
 
+#include <sys/socket.h>
+
 #if defined(OS_POSIX)
 #include <netinet/in.h>
 #if !defined(OS_NACL)
